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Finding the Fourth Proportional to 570,875.60, 786,210.36 and 558,477.74

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Solution

The fourth proportional to 570,875.60, 786,210.36 and 558,477.74 is: 769,136.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,875.60 : 786,210.36 = 558,477.74 : x
  2. Step 2: Convert to fraction form
    570,875.60/786,210.36 = 558,477.74/x
  3. Step 3: Cross multiply
    570,875.60x = 786,210.36 × 558,477.74
  4. Step 4: Simplify right side
    570,875.60x = 439,080,985,017.39
  5. Step 5: Solve for x
    x = 439,080,985,017.39/570,875.60
  6. Step 6: Final answer
    x = 769,136.02

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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.