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Finding the Fourth Proportional to 963,591.60, 1,329,767.10 and 533,878.50

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Solution

The fourth proportional to 963,591.60, 1,329,767.10 and 533,878.50 is: 736,758.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,591.60 : 1,329,767.10 = 533,878.50 : x
  2. Step 2: Convert to fraction form
    963,591.60/1,329,767.10 = 533,878.50/x
  3. Step 3: Cross multiply
    963,591.60x = 1,329,767.10 × 533,878.50
  4. Step 4: Simplify right side
    963,591.60x = 709,934,064,697.35
  5. Step 5: Solve for x
    x = 709,934,064,697.35/963,591.60
  6. Step 6: Final answer
    x = 736,758.25

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.