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Finding the Fourth Proportional to 536,312.88, 740,075.40 and 294,605.64

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Solution

The fourth proportional to 536,312.88, 740,075.40 and 294,605.64 is: 406,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,312.88 : 740,075.40 = 294,605.64 : x
  2. Step 2: Convert to fraction form
    536,312.88/740,075.40 = 294,605.64/x
  3. Step 3: Cross multiply
    536,312.88x = 740,075.40 × 294,605.64
  4. Step 4: Simplify right side
    536,312.88x = 218,030,386,865.26
  5. Step 5: Solve for x
    x = 218,030,386,865.26/536,312.88
  6. Step 6: Final answer
    x = 406,535.80

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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.